Nasal symptoms
These include frequent sneezing, runny or stuffy nose. This happens due to an increase in mucus production in the body in response to the allergen.
Respiratory symptoms
Respiratory symptoms include difficulty in breathing, shortness of breath, and chest tightness. They are caused by the inflammation of the airways.
Conjunctivitis
The allergic reaction can cause inflammation of the membrane covering the white part of the eyes. Symptoms include red, itchy, and watery eyes.
Skin Reactions
These involve developing rashes, swelling, or itchiness on the skin. This occurs when the allergen contact with the skin or when taken internally.
Digestive Symptoms
Symptoms like nausea, vomiting, or diarrhoea are often associated with an allergy caused by ingesting the allergen.
Severe Allergic Reaction (Anaphylaxis)
This is a serious allergic reaction that can cause a sudden drop in blood pressure, dizziness, unconsciousness, and in severe cases, can be life-threatening.